<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2016/1/31 0031
 * Time: 20:11
 */
require_once 'conn.php';
$a=$_GET['id'];
$cn=mysql_query("select * from mm where id =$a");
$b=(mysql_fetch_assoc($cn));
echo $b['user'];